September weather forecastHolken, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Holken, Sweden, with an average temperature varying between 10.3°C (50.5°F) and 15.5°C (59.9°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from an enjoyable 19.5°C (67.1°F) in August to a still refreshing 15.5°C (59.9°F). Throughout the month of September, Holken witnesses an average temperature of 10.3°C (50.5°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Holken, in September, it is raining for 14.1 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, there are 153.8 rainfall days, and 483mm (19.02") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Holken, the average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 06:03 and sunset at 20:07. On the last day of September, sunrise is at 07:09 and sunset at 18:41 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
In Holken, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holken, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Holken, Sweden
- Average pressure in September: 1013.2mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Holken, Sweden
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in September
Holken, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Holken, Sweden
- Average rainfall in September: 42mm
The wettest months (with the highest rainfall) are July and August (57mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Holken, Sweden
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Holken, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (102mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Holken, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holken, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Holken, Sweden
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is November (10.3 days).
Average UV index in September
Holken, Sweden
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Holken, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 39).
Average visibility in September
Holken, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).
